Math, asked by monajghosh345, 5 months ago

the diameter of a circlular placemat is 30 cm.find the circumference to the nearest millimetre

Answers

Answered by srinamdar225

0

Answer:

circumference= 2πr

d=30×10^-1 mm ,r=15×10^-1mm

circumference=2×3.142×15×10^-1

=94.26×10^-1 mm

=9.236 mm

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